From patchwork Mon Mar 27 08:36:33 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: AngeloGioacchino Del Regno X-Patchwork-Id: 13188774 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 38004C7619A for ; Mon, 27 Mar 2023 08:37:19 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Transfer-Encoding: MIME-Version:References:In-Reply-To:Message-Id:Date:Subject:Cc:To:From: Reply-To:Content-Type:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=Leyd8D2nRHtjpbORXUngUPB1GU9NSyALdF0HPadNxJM=; b=NFD2UEmehpytotQeBlrvIvWLsQ o/suYrisgsAHwZ9KwrkAXnlDlHTb8VCK0yo4dwMPXPhbiCiRBbGlEf/gVOuMgIc6IKz6+xcDSsU0H mKlBgRh6DDMhP50PfSk4bcG3J1fW1oXVSiPX/thVhV7XFx+K+hztiM6NXFBCu6kq9qN3nKR4K1Yts 5aoktEypgmOfi4jslDdRl1sAfnAfyB++BVn38h1zKOz6Z1iyA0y9OLFZeJodeuBiQc3iE608PMWQ7 gtkTMs+xj3Pkbiops6k6P+6DS1Xl7ucXDDOLWZ4iaGhtW1T2jq8ilCSCRjC+tJYOjciLtVqULgM75 SQjk47eA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1pgiLp-00AHFD-2G; Mon, 27 Mar 2023 08:37:13 +0000 Received: from madras.collabora.co.uk ([46.235.227.172]) by bombadil.infradead.org with esmtps (Exim 4.96 #2 (Red Hat Linux)) id 1pgiLZ-00AH5Q-1t; Mon, 27 Mar 2023 08:37:02 +0000 Received: from IcarusMOD.eternityproject.eu (2-237-20-237.ip236.fastwebnet.it [2.237.20.237]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) (Authenticated sender: kholk11) by madras.collabora.co.uk (Postfix) with ESMTPSA id AA06966030DA; Mon, 27 Mar 2023 09:36:55 +0100 (BST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1679906216; bh=WzRAN9wdA273tqZEI1XBRQYQ34kkvCmE+TRLQXkcUfI=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=KtrLlYCBHpTkJoPbpSiqdiv1eWgoXbGH6ejgegbEdZ8g1+eXFuuQwPUUcwv2zpaw+ avQ2umUGre0wutECVyiHYYq1JMshDVuiFgSz8/WwWpGD7WKCXab+2zXfbUjMW1eXWP iUE1n2rNU8Oa/3js7vpBzMZqePlrh20ETm9og2MlI4V3Zuen9LbeKEsZHZe4S/+Vux aLS7vaBIZLxhc5b/qBIOPf5WI+5TbDanCacPV5tszT2KvY8Z79NGUz+OAk5efP7d36 cff2oS+/7FAA8Ea7hV6UjVpTW6+G4BzPuSbQM4if8pLeO/OK8qa/RdhP7LzGAwB9FD iqPbPXaL9KSAg== From: AngeloGioacchino Del Regno To: matthias.bgg@gmail.com Cc: qii.wang@mediatek.com, robh+dt@kernel.org, krzysztof.kozlowski+dt@linaro.org, jassisinghbrar@gmail.com, houlong.wei@mediatek.com, linux-i2c@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, kernel@collabora.com, phone-devel@vger.kernel.org, ~postmarketos/upstreaming@lists.sr.ht, AngeloGioacchino Del Regno Subject: [PATCH v2 03/17] arm64: dts: mediatek: mt6795: xperia-m5: Enable Frequency Hopping Date: Mon, 27 Mar 2023 10:36:33 +0200 Message-Id: <20230327083647.22017-4-angelogioacchino.delregno@collabora.com> X-Mailer: git-send-email 2.40.0 In-Reply-To: <20230327083647.22017-1-angelogioacchino.delregno@collabora.com> References: <20230327083647.22017-1-angelogioacchino.delregno@collabora.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230327_013657_753996_DF09ECCD X-CRM114-Status: UNSURE ( 8.64 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-mediatek@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "Linux-mediatek" Errors-To: linux-mediatek-bounces+linux-mediatek=archiver.kernel.org@lists.infradead.org Enable FHCTL with Spread Spectrum for MAINPLL, MPLL and MSDCPLL as found on the downstream kernel for this smartphone. Which one to enable, and at what SSC percentage, was found by dumping the debugging data from a running downstream kernel and checking the downstream code. /proc/freqhopping # cat status FH status: =============================================== id == fh_status == pll_status == setting_id == curr_freq == user_defined 0 0 1 0 1599000 0 1 0 1 0 1716000 0 2 1 1 2 1092000 0 3 1 1 2 2912000 0 4 1 0 2 1600000 0 5 0 0 0 0 0 6 0 1 0 1518002 0 7 0 0 0 0 0 8 0 0 0 0 0 Signed-off-by: AngeloGioacchino Del Regno --- arch/arm64/boot/dts/mediatek/mt6795-sony-xperia-m5.dts | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/arch/arm64/boot/dts/mediatek/mt6795-sony-xperia-m5.dts b/arch/arm64/boot/dts/mediatek/mt6795-sony-xperia-m5.dts index d3415527d389..52ce3284a46f 100644 --- a/arch/arm64/boot/dts/mediatek/mt6795-sony-xperia-m5.dts +++ b/arch/arm64/boot/dts/mediatek/mt6795-sony-xperia-m5.dts @@ -48,6 +48,13 @@ bootloader-region@46000000 { }; }; +&fhctl { + clocks = <&apmixedsys CLK_APMIXED_MAINPLL>, <&apmixedsys CLK_APMIXED_MPLL>, + <&apmixedsys CLK_APMIXED_MSDCPLL>; + mediatek,hopping-ssc-percent = <8>, <5>, <8>; + status = "okay"; +}; + &pio { uart0_pins: uart0-pins { pins-rx {